Explanation:

 The Gadsisar Lake is one of the most famous tourist places in Jaisalmer which was built by Raja Rawal Jaisal, the first ruler of Jaisalmer. In the later years Maharaja Garisisar Singh rebuilt and revamped the lake. This historic lake is located towards the south of Jaisalmer city and the entrance to the lake is through Tilon-Ki-Pol, a magnificent and artistically carved yellow sandstone archway . The Tilon Ki Pol is adorned with an idol of the Hindu deity Vishnu, installed in the year 1908.